#include<stdio.h>
int main()
{
    double m,h,b=0;
    scanf("%lf%lf",&m,&h);
    b=m/(h*h);
    if(b<18.5)printf("Underweight");
    else if(b>=24)printf("%.3lf\nOverweight",b);
    else printf("Normal");
    return 0;
}
